Research on the modeling and analysis for phase transition

这项工程从1992年持续到1993年，历时两年。本课题组取得了许多优秀的研究成果，主要研究内容如下。用谱方法发展了具有移动表面和自由边界问题的凝固问题的数值计算。发展了带约束的相场方程的分析。发展具有西诺里尼边界的非线性现象的建模和分析。模糊控制系统稳定性分析的发展。

This project has continued for two years from 1992 to 1993. Many excellent results have been obtained by our group.Main topics of our researches are the followings.1. Development of numerical computation for solidification problems with moving surface and free boundary problems using the spectral method.2. Development of analysis on phase field equations with constraints.3. Development of modeling and analysis in nonlinear phenomena with Signorini's boundary.4. Development of analysis for the stability of Fuzzy control systems.